Seiko Cal. 6622 - 521

The Seiko 6622-521 represents an important milestone in Seiko's 1979 lineup. With its 18mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-38fa257bc408]

Also known as: Sumo, Navigator

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1979

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